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// @flow import getWindow from './getWindow';
declare function isElement(node: mixed): boolean %checks(node instanceof Element); function isElement(node) { const OwnElement = getWindow(node).Element; return node instanceof OwnElement || node instanceof Element; }
declare function isHTMLElement(node: mixed): boolean %checks(node instanceof HTMLElement); function isHTMLElement(node) { const OwnElement = getWindow(node).HTMLElement; return node instanceof OwnElement || node instanceof HTMLElement; }
declare function isShadowRoot(node: mixed): boolean %checks(node instanceof ShadowRoot); function isShadowRoot(node) { // IE 11 has no ShadowRoot if (typeof ShadowRoot === 'undefined') { return false; } const OwnElement = getWindow(node).ShadowRoot; return node instanceof OwnElement || node instanceof ShadowRoot; }
export { isElement, isHTMLElement, isShadowRoot };
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